@ARTICLE{Sakr_Nachaat_Components_2009, author={Sakr, Nachaat}, volume={vol. 49}, number={No 3}, journal={Journal of Plant Protection Research}, howpublished={online}, year={2009}, publisher={Committee of Plant Protection PAS}, publisher={Institute of Plant Protection – National Research Institute}, title={Components of Quantitative Resistance to Downy Mildew (Plasmopara Halstedii) in Sunflower (Helianthus Annuus)}, URL={http://journals.pan.pl/Content/106210/PDF/JPPR_49(3)_13_Sakr.pdf}, doi={10.2478/v10045-009-0048-7}, }